1. [root@ns2 ~]# equery u php
2. [ Legend : U - final flag setting for installation]
3. [        : I - package is installed with flag     ]
4. [ Colors : set, unset                             ]
5.  * Found these USE flags for dev-lang/php-5.5.25:
6.  U I
7.  - - apache2             : Add Apache2 support
8.  + - bcmath              : Add support for libbcmath
9.  + + berkdb              : Add support for sys-libs/db (Berkeley DB for MySQL)
10.  + + bzip2               : Use the bzlib compression library
11.  + - calendar            : Add support for calendars (not using mcal!)
12.  - - cdb                 : Add support for the CDB database engine from the author of qmail
13.  - - cgi                 : Add CGI script support
14.  - - cjk                 : Add support for Multi-byte character languages (Chinese, Japanese, Korean)
15.  + + cli                 : Enable CLI SAPI
16.  + + crypt               : Add support for encryption -- using mcrypt or gpg where applicable
17.  + - ctype               : Enable ctype functions
18.  + - curl                : Add support for client-side URL transfer library
19.  - - debug               : Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
20.  - - embed               : Enable embed SAPI
21.  - - enchant             : Add supports Enchant spelling library.
22.  - - exif                : Add support for reading EXIF headers from JPEG and TIFF images
23.  + - fileinfo            : Add fileinfo extension support
24.  + - filter              : Add filter extension support
25.  - - flatfile            : Add dbm support for flat files
26.  + + fpm                 : Enable the FastCGI Process Manager SAPI
27.  - - frontbase           : Add support for the frontbase sql server
28.  + - ftp                 : Add FTP (File Transfer Protocol) support
29.  + - gd                  : Adds support for gd (bundled with PHP)
30.  + + gdbm                : Add support for sys-libs/gdbm (GNU database libraries)
31.  - - gmp                 : Add support for dev-libs/gmp (GNU MP library)
32.  + - hash                : Enable the hash extension
33.  + + iconv               : Enable support for the iconv character set conversion library
34.  + - imap                : Add support for IMAP (Internet Mail Application Protocol)
35.  - - inifile             : Add dbm support for .ini files
36.  + - intl                : Enables the intl extension for extended internalization support
37.  - - iodbc               : Add support for iODBC library
38.  + + ipv6                : Add support for IP version 6
39.  + - json                : Enable JSON support
40.  - - kerberos            : Add kerberos support
41.  - - ldap                : Add LDAP support (Lightweight Directory Access Protocol)
42.  - - ldap-sasl           : Add SASL support for the PHP LDAP extension
43.  - - libedit             : Use the libedit library (replacement for readline)
44.  - - libmysqlclient      : Use libmyslclient driver for mysql, mysqli, PDO_Mysql (not recommended)
45.  + - mhash               : Add support for the mhash library
46.  - - mssql               : Add support for Microsoft SQL Server database
47.  + - mysql               : Add mySQL Database support
48.  + - mysqli              : Add support for the improved mySQL libraries
49.  + + nls                 : Add Native Language Support (using gettext - GNU locale utilities)
50.  - - oci8-instant-client : Use dev-db/oracle-instantclient-basic as Oracle provider instead of requiring a full Oracle server install
51.  - - odbc                : Add ODBC Support (Open DataBase Connectivity)
52.  + - opcache             : Enables built-in opcode cache, replacing pecl-apc et.al
53.  - - pcntl               : Add support for process creation functions
54.  + - pdo                 : Enable the bundled PDO extensions
55.  + - phar                : Enables the phar extension to provide phar archive support
56.  + - posix               : Add support for POSIX-compatible functions
57.  - - postgres            : Add support for the postgresql database
58.  - - qdbm                : Add support for the qdbm (Quick Database Manager) library
59.  + + readline            : Enable support for libreadline, a GNU line-editing library that almost everyone wants
60.  - - recode              : Enable support for the GNU recode library
61.  + + session             : Add persistent session support
62.  - - sharedmem           : Add support for shared memory use
63.  + - simplexml           : Support for SimpleXML
64.  - - snmp                : Add support for the Simple Network Management Protocol if available
65.  + - soap                : Add support for SOAP (Simple Object Access Protocol)
66.  + - sockets             : Add support for tcp/ip sockets
67.  - - spell               : Add dictionary support
68.  + - sqlite              : Add support for sqlite - embedded sql database
69.  + + ssl                 : Add support for Secure Socket Layer connections
70.  - - sybase-ct           : Add support for Sybase-CT
71.  - - systemd             : Enable use of systemd-specific libraries and features like socket activation or session tracking
72.  - - sysvipc             : Support for System V-compatible inter-process communication
73.  - - threads             : Add threads support for various packages. Usually pthreads
74.  - - tidy                : Add support for HTML Tidy
75.  + - tokenizer           : Add support for the PHP file parser
76.  - - truetype            : Add support for FreeType and/or FreeType2 fonts
77.  + + unicode             : Add support for Unicode
78.  - - vpx                 : Enable webp suppoprt for GD
79.  - - wddx                : Add support for Web Distributed Data eXchange
80.  + - xml                 : Add support for XML files
81.  + - xmlreader           : Enable XMLReader support
82.  + - xmlrpc              : Support for xml-rpc library
83.  + - xmlwriter           : Enable XMLWriter support
84.  - - xpm                 : Add support for XPM graphics format
85.  - - xslt                : Enable the XSL extension
86.  + - zip                 : Enable ZIP file support
87.  + + zlib                : Add support for zlib (de)compression
88.